# PROX vs Sentnel

PROX and Sentnel are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PROX ships an update fortnightly, Sentnel every 3 weeks. The most recent releases landed on September 17, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | PROX | Sentnel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/prox/id1473606097/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free | — |
| Size | 72 MB | 63 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Venidera R&D](https://appshunter.io/developer/1297795408) | [SENTNEL MONITORAMENTO LTDA](https://appshunter.io/developer/1574730680) |

## What reviewers say

### PROX

[App page](https://appshunter.io/ios/app/prox/id1473606097)

This app serves as an information channel for communities impacted by river level fluctuations. It allows users to monitor power plant operations, register their addresses, and receive flood alerts, fostering social development and relationships with surrounding communities.

**Highlights:** Monitor power plant operations, Register personal addresses, Receive flood alerts, Community information channel, Social development focus

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Sentnel

[App page](https://appshunter.io/ios/app/sentnel/id1544355802)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PROX free?

PROX is free to download, with no in-app purchases.

### Is Sentnel free?

Sentnel is free to download, with no in-app purchases.

### Do PROX or Sentnel have ads?

Neither PROX nor Sentnel shows ads.

### Which is updated more often, PROX or Sentnel?

PROX ships an update fortnightly, and Sentnel every 3 weeks. Most recently, PROX was updated on September 17, 2026 and Sentnel on September 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*